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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP10268977ApriorityCriticalpatent/JPS5437420A/en
Publication of JPS5437420ApublicationCriticalpatent/JPS5437420A/en
PURPOSE: To secure a simultaneous correction for both the convergence of three electron beams and the distortion of the right-left rasters and thus to simplify the circit for the color TV picture receiver, by providing at least one pair of concave notches to the magnetic material.